Sprinkler

Details Sprinkler Sprinkler

1979-10-09

1982-05-18

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2301

Patent

active

D02644916

REFERENCES:
patent: D226711 (1973-04-01), Kunkle, Jr.
patent: D243179 (1977-01-01), Jooste
patent: 1628041 (1927-05-01), Fryo
patent: 1639162 (1927-08-01), Brooks
patent: 1919244 (1933-07-01), Munz
patent: 2086281 (1937-07-01), Nelson et al.
patent: 3088677 (1963-05-01), Coffey et al.
patent: 3272437 (1966-09-01), Coson
patent: 3940066 (1976-02-01), Hunter
patent: 4026471 (1977-05-01), Hunter

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